23690448 has 160 divisors (see below), whose sum is σ = 73804800. Its totient is φ = 7257600.

The previous prime is 23690431. The next prime is 23690461. The reversal of 23690448 is 84409632.

It is a happy number.

It is a super-2 number, since 2×23690448² = 1122474652881408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388338 + ... + 388398.

It is an arithmetic number, because the mean of its divisors is an integer number (461280).

Almost surely, 2^23690448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23690448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36902400).

23690448 is an abundant number, since it is smaller than the sum of its proper divisors (50114352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23690448 is a wasteful number, since it uses less digits than its factorization.

23690448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 23690448 is about 4867.2834312376. The cubic root of 23690448 is about 287.2044014088.

The spelling of 23690448 in words is "twenty-three million, six hundred ninety thousand, four hundred forty-eight".